During the Unity Concert, Leslie invites some coworkers to join her at her new job in Chicago, while Andy thinks about reuniting Mouse Rat. Meanwhile, Tom's Bistro prepares for the Unity Concert after-party.
The clock is ticking -- Leslie and Ben have two hours to complete a years-long project. Meanwhile, Ron gets in trouble when his temper gets the best of him.
Leslie gets the flu right before an important fund-raising pitch for the Harvest Festival, Chris tries frantically to avoid catching the bug, and Ron hires Andy to replace April while she is out.
Andy and April's party turns into a surprise wedding, but Leslie does not approve. Meanwhile, Ben debates whether to stay in Pawnee, and Donna gives Ann advice at a singles mixer.
Tammy shows up at an awards ceremony to sabotage Ron's new relationship, and four of Jerry's co-workers are shocked that he's throwing a Christmas party without them.
It's election day for Leslie, and Ben is contemplating an offer to help work on a campaign in Washington. Meanwhile, Andy tries to help April rescue the files she deleted from the Parks Department computers.
While Tom invites everyone to the Snakehole as he debuts a new drink, Leslie encourages Ann to apply for a job with the city. However, at the nightclub, Leslie and Ann get into a fight over their dating habits.
While the department sets up a memorial service for Li'l Sebastian, Ron finds out about Leslie and Ben, Tom considers taking a job in the private sector, and Chris deals with his own mortality after he discovers that he has tendinitis.
